Amarillo, Texas
Helium Time Columns Monument
A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.
Places I want to go
Places on this traveler's wishlist.
Amarillo, Texas
A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.
Petra District, Jordan
An ancient capital city that dates back 3,000 years and harbors many surprises.
Ehlanzeni, South Africa
Hidden in the hills is a mysterious stone structure, known only to a few.
Peebles, Ohio
The largest earthwork effigy in the world.
New Delhi, India
An ancient iron pillar in Delhi that seems to be rustproof.
Dowth, Ireland
The ancient tomb acts as a calendar that keeps perfect time.
Uozu-shi, Japan
Roots and stumps that lay inundated for two millennia are on display in Japan's city of three mysteries.
Miami, Florida
A perfect circle of 24 mysterious holes dates back to prehistoric times.
El Paso, Texas
Natural catch-basin rocks covered in thousands of drawings spanning many millennia.
Chicxulub, Mexico
The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.
Boulder, Colorado
The clock that sets them all.
Rome, Italy
The "Great Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.
Sandy, Utah
Step into the cool deep past and unknown future of who begat who.
Nye, Nevada
Potential high level nuclear waste storage site for the next 10,000 years and beyond.
Hutchinson, Kansas
Home to Hollywood history and a very special salt crystal.
Mounana, Gabon
The world's first and only natural nuclear reactor.
Hanksville, Utah
A Mars simulation in the southern Utah desert.
Chornobyl, Ukraine
The biblical sculpture honors those who lost their lives, homes and communities to the Chernobyl disaster.
Florence, South Carolina
"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.
Devon Island, Nunavut
The closest thing to Mars on Earth.
Nunavut
The remote graves mark the mysterious deaths of four 19th century explorers.
Baffin Region, Nunavut
Over 400,000 birds spend their summers nesting on this small Arctic island.
Nunavut
The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.
Sooke, British Columbia
A crumbling cliffside ruin hidden in the woods.